KINEMATIC LINK
EVERY PART OF A MACHINE WHICH MOVES RELATIVE TO SOME OTHER PART IS KNOWN AS A KINEMATIC LINK OR ELEMENT.
A LINK NEED NOT TO BE A RIGID BODY BUT IT SHOULD BE A RESISTANT BODY SO THAT IT CAN TRANSMIT THE REQUIRED FORCES WITH NEGLIGIBLE DEFORMATION.
KINEMATIC PAIR
THE TWO LINKS OR ELEMENTS WHEN IN CONTACT WITH EACH OTHER ARE SAID TO FORM A PAIR IF THE RELATIVE MOTION BETWEEN THEM IS COMPLETELY OR SUCCESSFULLY CONSTRAINED.
TYPES OF RELATIVE MOTION
COMPLETELY CONSTRAINED MOTION
WHEN THE MOTION BETWEEN A PAIR IS LIMITED TO A DEFINITE DIRECTION IRRESPECTIVE OF THE DIRECTION OF THE FORCE APPLIED.
SUCCESSFULLY CONSTRAINED MOTION
WHEN THE MOTION BETWEEN THE ELEMENTS IS SUCH THAT THE CONSTRAINED MOTION IS NOT COMPLETED BY ITSELF, BUT BY SOME OTHER MEANS.
INCOMPLETELY CONSTRAINED MOTION
WHEN THE MOTION BETWEEN A PAIR CAN TAKE PLACE IN MORE THAN ONE DIRECTION.
EVERY PART OF A MACHINE WHICH MOVES RELATIVE TO SOME OTHER PART IS KNOWN AS A KINEMATIC LINK OR ELEMENT.
A LINK NEED NOT TO BE A RIGID BODY BUT IT SHOULD BE A RESISTANT BODY SO THAT IT CAN TRANSMIT THE REQUIRED FORCES WITH NEGLIGIBLE DEFORMATION.
KINEMATIC PAIR
THE TWO LINKS OR ELEMENTS WHEN IN CONTACT WITH EACH OTHER ARE SAID TO FORM A PAIR IF THE RELATIVE MOTION BETWEEN THEM IS COMPLETELY OR SUCCESSFULLY CONSTRAINED.
TYPES OF RELATIVE MOTION
COMPLETELY CONSTRAINED MOTION
WHEN THE MOTION BETWEEN A PAIR IS LIMITED TO A DEFINITE DIRECTION IRRESPECTIVE OF THE DIRECTION OF THE FORCE APPLIED.
SUCCESSFULLY CONSTRAINED MOTION
WHEN THE MOTION BETWEEN THE ELEMENTS IS SUCH THAT THE CONSTRAINED MOTION IS NOT COMPLETED BY ITSELF, BUT BY SOME OTHER MEANS.
INCOMPLETELY CONSTRAINED MOTION
WHEN THE MOTION BETWEEN A PAIR CAN TAKE PLACE IN MORE THAN ONE DIRECTION.
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